Abstract:
The invention relates to a flame-retardant methacrylic composition based on a methacrylic polymer comprising, per 100 parts of methacrylic polymer, from 15 to 25 parts, advantageously from 17 to 25 parts, preferably from 17 to 23 parts, more preferentially still from 19 to 22 parts, of at least one flame-retardant agent of formula (I) or (II): in which: R1 and R2 denote linear or branched C1-C6 alkyl groups and/or aryl groups; R3 denotes a linear or branched C1-C10 alkylene group, a C6-C10 arylene group, an alkylarylene group or an arylalkylene group; M denotes Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na or K; m is an integer between 1 and 4; n is an integer between 1 and 4; x is an integer between 1 and 4.
Abstract:
A fire retardant composition able to withstand 5,000° F., comprising: an acrylic copolymer, tricalcium phosphate, a hardener, ammonium chloride, calcium carbonate, aluminum potassium sulfate, alumina trihydrate, perlite, vermiculite, and corn starch.
Abstract:
A thermoplastic resin composition (Y) characterized by comprising (A) 20 to 64.9 wt % one or more ethylene copolymers comprising an ethylene/α-olefin copolymer, (B) 35 to 70 wt % metal hydroxide, and (C) 0.1 to 30 wt % grafted ethylene polymer. The resin composition has excellent flame retardancy and has satisfactory pliability/flexibility and excellent tensile properties. It is suitable for use as an insulating material or sheath for electric wires. Also provided are: a polymer composition (Z) having high flame retardancy, characterized by comprising relative to (AA) 100 parts by weight of a polymer such as a thermoplastic polymer or thermosetting polymer, in the ratio of (BB) 50 to 250 parts by weight of a metal hydroxide, (E) 0.1 to 40 parts by weight of a triazine ring containing compound, and (F) 0.1 to 40 parts by weight of a polyhydric alcohol; and a molded object obtained from the polymer composition. These are suitable for use as an insulating material or sheath for electric wires.
Abstract:
To provide a non-crosslinked flame-retardant resin composition possessing sufficient flame retardancy, mechanical properties, flexibility and workability, and also delivering excellent heat resistance over a long period of time as it is hard to be molten when used under high temperature environment and its material is not deteriorated even if used in contact with a vinyl chloride resin material and the like, and an insulated wire and a wiring harness using the same. The composition includes (A) a non-crosslinked base resin which contains a propylene resin containing 50 wt % or more of propylene monomer and a thermoplastic resin of which a melting point is 180° C. or more, (B) a metallic hydrate, (C) a hindered phenolic antioxidant, (D) a sulfurous antioxidant, and (E) a metallic oxide. Polymethylpentene, an imidazole compound and an oxide of zinc are preferably utilized as the thermoplastic resin, the ingredients (D) and (E), respectively. The composition is used as an insulated covering material for a non-halogenous insulated wire, which is used in a wire bundle of the wiring harness.
Abstract:
The aqueous resin composition comprises components (A) and (B), wherein (A) is a synthetic resin emulsion prepared by emulsion-polymerizing a radical-polymerizable unsaturated monomer using a surfactant having at least one polymerizable unsaturated bond, and (B) is a polyphosphate salt. To provide an aqueous flame retardant resin composition which is excellent in flame retardancy and storage stability, and is less likely to produce a fogging phenomenon.
Abstract:
A curable composition includes a functionalized poly(arylene ether) resin, an acryloyl monomer, and a phosphorus flame retardant. The composition exhibits an improved balance of properties such as toughness, flame retardance, heat-resistance, and moisture resistance. It is useful, for example, as an encapsulant for semiconductor products.
Abstract:
A polymer composition includes a rubber modified vinyl resin, a cyclic alkyl phosphate compound, and an aromatic phosphate ester. Some embodiments may additionally comprises a polyphenylene ether resin. In some embodiments, the compositions have good flame retardancy, color stability, impact resistance, and thermal stability.
Abstract:
A composition comprises a compatibilized poly(arylene ether)/polyamide blend, an optional electrically conductive filler, a phosphinate, and flame retardant augment selected from the group consisting of melamine polyphosphate, zinc borate, low melting glass, talc, and combinations of two or more of the foregoing flame retardant augments.
Abstract:
Zero halogen polyolefin compositions exhibit low smoke emission, low corrosivity, low toxicity, and low heat release properties, as well as flame resistance and char formation, while simultaneously maintaining favorable electrical insulation properties. Such compositions are especially useful for coating wires and conductors employed in high-speed speed telecommunication data transmission cables.
Abstract:
The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1–C4 alkyl, R3 is H or C1–C4 alkyl, and R4 is linear or branched C9–C22 alkyl, C9–C22 cycloalkyl, C9–C22 aryl or C9–C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.